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Finding the Third Proportional to 678,669,156 and 1,037,727,072

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Solution

The third proportional to 678,669,156 and 1,037,727,072 is: 1,586,748,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,669,156 : 1,037,727,072 = 1,037,727,072 : x
  2. Step 2: Convert to fraction form
    678,669,156/1,037,727,072 = 1,037,727,072/x
  3. Step 3: Cross multiply
    678,669,156x = 1,037,727,072 × 1,037,727,072
  4. Step 4: Simplify right side
    678,669,156x = 1,076,877,475,961,693,184
  5. Step 5: Solve for x
    x = 1,076,877,475,961,693,184/678,669,156
  6. Step 6: Final answer
    x = 1,586,748,810.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.